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101. Acute Treatment for Episodic Migraine: Surveillance Report 2 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/episodic-migraine-surveillance-report-2.pdf
     June 01, 2022 - If newly identified studies were similar in terms of their PICOTS, a meta-analysis will be conducted … Systematic review and meta- analysis of acute treatments for episodic migraine in adults. … with a replicability analysis. … Subgroup Analysis Table H.1. … Subgroup Analysis Appendix I. Appendix References

102. Ch-7-User-Guide-To-Ocer 130129 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/ch-7-user-guide-to-ocer_130129.pdf
     March 29, 2012 - This type of design is described as a “per protocol” analysis. … Odds ratios for mediation analysis for a dichotomous outcome. … Bias formulas for sensitivity analysis for direct and indirect effects. … Myth, confusion, and science of causal analysis [Unpublished Manuscript]. … Useful methods for sensitivity analysis of observational studies.

103. Cervical Degenerative Disease Treatment (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/product/pdf/cervical-degenerative-protocol.pdf
     January 12, 2022 - When appropriate, we will conduct a sensitivity analysis removing studies rated high risk of bias to … of results) and quantitatively (meta-analysis) when appropriate. … If sufficient numbers of RCTs (≥10) are available, quantitative funnel plot analysis may be done. … -a meta-analysis. Spine J. 2021 Apr;21(4):555-70. doi: 10.1016/j.spinee.2021.01.010. … A systematic review and meta-analysis.

104. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/heart-disease-ace-inhibitor-arb-disposition.pdf
     March 10, 2010 - Methods Adding NNT or NNH to the analysis may make it better to understand the effect. … While the authors should be applauded for their meticulous and exhaustive data collection analysis, … Maybe sensitivity analysis could help here. Thank you for this comment. … Results In this analysis, ACEI or ARB did not reduce the incidence of Afib. … The prior mentioned meta-analysis differs from our report in several notable ways.

105. Quantitative Synthesis: Chapter 2. Presenting Different Effects for Different Data Types (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/ehc-presentation-quantitative-synthesis-chapter-2.pdf
     February 01, 2018 - • Recognize common measures of association for meta-analysis (e.g., risk difference, odds ratio … Learning Objective Outcomes and effect measures • Methods for meta-analysis depend on the outcome … to calculate binary effect sizes will be published and the data can be analyzed using statistical analysis … • The data needed for analysis can be presented in this way: Binary outcomes • Every effort should … • The selection of the preferred relative effect measure depends on the specific meta-analysis.

106. Systematic Review on Nonopioid Pharmacologic Treatments for Chronic Pain: Surveillance Report 2 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/surveillance-report-2-nonopioid-pharm-chronic-pain.pdf
     April 01, 2022 - (meta-analysis performed if new evidence was large relative to the studies in the original meta-analysis … ); consistency in findings between the new studies and the original meta-analysis (meta-analysis performed … / or systematic review/ or meta-analysis as topic/ or "meta analysis (topic)"/ or "systematic review … A Meta-Analysis of Randomized Control Trials. … Efficacy and safety of pregabalin for chronic neuropathic pain: a meta-analysis.

107. Ced-Appendix-3 (xls file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/ced-appendix-3.xlsx
     June 24, 2022 - plan on a public study registration site prior to conducting the study analysis ISPOR_2017 Reporting … NAM 2018 The role of pre-specifying data analysis methodology and its necessity during the collection … and analysis of RWD. … Innov (UK) Protocol Development of a data/statistical analysis plan to ensure methods and analytical … Design comparators (where appropriate) NICE_cancer Design analysis plan including subgroup analyses

108. Venous Thromboembolism Prophylaxis in Major Orthopedic Surgery: Systematic Review Update (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/thromboembolism-update-disposition.pdf
     June 22, 2017 - REML is one of the preferred methods for meta-analysis. … Direct factor Xa inhibitors (FXaI) were not available at the time of the pooled analysis. … Peer Reviewer #4 Results Page 37, subgroup analysis: p < 0.03? P <0.20? … If this is mislabeled, then the analysis of Mechanical vs. … The network meta-analysis is especially useful.

109. Omega-3 Fatty Acids and Maternal and Child Health: An Update (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/omega-3-maternity_executive.pdf
     October 01, 2016 - Forest plots were provided for random effects meta-analysis. … An alternative method for meta-analysis. Biometrical Journal. 1999;41(8):901-16. … Robust variance estimation for random effects meta-analysis. … Computational Statistics & Data Analysis. 2006;50(12):3681-701. 14. … Confidence intervals for the overall effect size in random-effects meta-analysis.

110. Carbohydrate-Intake-Prepub-Final-Research-Table-Rct (xls file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/carbohydrate-intake-prepub-final-research-table-rct.xlsx
     May 29, 2025 - Yes/No/Unclear Was intention-to-treat (ITT) analysis conducted? … For yes: ≤20% overall from randomization to analysis. … No' or 'unclear' for randomization, allocation, overall loss to follow up or differential LTFU, ITT analysis

111. Clopidogrel after Drug-Eluting Stent Implantation: Is current practice sufficient (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/stent-clopidogrel-practice_research.pdf
     March 01, 2009 - Landmark Analyses Based on Clopidogrel Use Landmark analysis is a form of survival analysis that classifies … For the 12-month landmark analysis, patients with PCI procedures occurring after July 31, 2004 were … Limitations There are two important caveats to this analysis. … Statistical analysis: Eisenstein, Anstrom, Shaw, Tuttle. … Analysis of survival by tumor response. Journal of Clinical Oncology 1983;1:710-719. 13.

112. White Paper: Enhancing Systematic Review Methods by Incorporating Unpublished Drug Trials (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/unpublished-drug-trials-white-paper.pdf
     December 01, 2024 - Our analysis identified important discrepancies in effect sizes, with meta-analyses of both published … The third study (#29060/627) yielded mixed (equivocal) results: the intent-to-treat analysis using the … and responder analysis using CGI-I did not show significant associations. … a Statistically significant benefit shown in the LOCF analysis of CAPS-2 score but not in the observed … case analysis of CAPS score or in CGI-I responder analysis.

113. Topic Brief: Interventions to Decrease Hospital Length of Stay (pdf file)
     effectivehealthcare.ahrq.gov/system/files/docs/topic-brief-hospital-length-of-stay.pdf
     November 01, 2019 - Enhanced Recovery after Bariatric Surgery: Systematic Review and Meta-Analysis. … and Trial Sequential Analysis of Evidence. … : A Systematic Review and Meta-analysis of Major Abdominal Surgery. … Traditional vs ERAS radical cystectomy: systematic review, meta- analysis and trial sequential analysis … No subgroup analysis is planned. • Processes. Two reviews looked at healthcare processes.

114. Nephropathy-Contrast-Induced Executive-2016 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/nephropathy-contrast-induced_executive-2016.pdf
     January 01, 2016 - Results The literature search revealed 29 RCTs for summary and analysis and 10 observational studies … When the analysis was stratified by route of administration, the pooled risk ratio was 0.80 (95% CI … However, a recent meta-analysis of RCTs comparing IOCM and LOCM that included such studies found no … As mentioned above, one study was a network meta- analysis that pooled all outcomes without focusing … Meta-analysis in clinical trials. Control Clin Trials. 1986 Sep;7(3):177-88. PMID: 3802833. 9.

115. Methods-Guidance-Reporting-Bias Methods (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-reporting-bias_methods.pdf
     November 01, 2013 - During results analysis, bias occurs if investigators decide to change their analysis (e.g., change … the reported analysis was planned or post hoc. … Note: ARB=analysis reporting bias, ORB=outcome reporting bias. … Quinine for nocturnal leg cramps: a meta-analysis including unpublished data. … A sensitivity analysis for publication bias in systematic reviews.

116. Outcomes in COPD patients treated with theophylline (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/decide16final-mortality-risk-in-copd-pts-using-theophylline.pdf
     December 01, 2009 - Analysis Baseline treatment regimens were used to define comparison groups. … Time-Varying Exposure There were 7,840 patients included in the time-varying exposure analysis. … By not using an inception cohort we may introduce survivorship bias into the analysis. … We relied solely on VA data to conduct this analysis. … Modeling and variable selection in epidemiologic analysis.

117. Outcomes in COPD patients treated with theophylline (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/copd-management_research.pdf
     December 01, 2009 - Analysis Baseline treatment regimens were used to define comparison groups. … Time-Varying Exposure There were 7,840 patients included in the time-varying exposure analysis. … By not using an inception cohort we may introduce survivorship bias into the analysis. … We relied solely on VA data to conduct this analysis. … Modeling and variable selection in epidemiologic analysis.

118. Ch 9-User-Guide-To-Ocer 130129 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/ch_9-user-guide-to-ocer_130129.pdf
     September 21, 2012 - software packages and online tools exist for performing these calculations, such as Stata and Power Analysis … Potential reductions in the number of recruited patients available for analysis (e.g., due to loss … less overlap in propensity score distributions across cohorts), many patients will drop out of the analysis … Investigators who undertake a completed-cases analysis, which excludes patients with any missing data … - Examples include Stata, Confidence Interval Analysis, Power Analysis and Sample Size (

119. Topic Brief: Nonpharmacologic Treatment of Mental Health Conditions in Pregnant and Postpartum People (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/nt_docs/1002-nonpharmacologic-treatment-topic-brief.pdf
     June 03, 2024 - Risk of obsessive-compulsive disorder in pregnant and postpartum women: a meta-analysis. … writing intervention for women's PTSD, depression, anxiety and stress related to pregnancy: A meta-analysis … The effect of music, massage, yoga and exercise on antenatal depression: A meta-analysis. … Traditional Chinese acupuncture and postpartum depression: A systematic review and meta-analysis. … OR IPD OR PMA OR Network meta-analysis OR Review of reviews):RT WHERE CD FROM 01/08/2019 TO 01/08/2022

120. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/high-cholestorol-medications_disposition-comments.pdf
     March 10, 2010 - Our sensitivity analysis included long-term studies (> 6 months). … Is it that two arms would be included in each analysis? … s last observed value will be used in the primary analysis." … "For the endpoint analysis, any dropout before Week 12 would be included in the analysis as long as … analysis."